// 加载中

.spinner-border,
.spinner-grow {

    // size
    &.spinner-sm {
        width: 1rem;
        height: 1rem;
        border-width: 0.2em;
    }

    &.spinner-lg {
        width: 3rem;
        height: 3rem;
        border-width: 0.3em;
    }
}

